What powers 
gruposifu.com?
Last seen Aug 2026 · 22 technologies across 17 categories
Analytics
CMS
CRM
Font scripts
Hosting
JavaScript libraries
Live chat
Marketing automation
Operating systems
PaaS
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 84% phone
- 16% desktop
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.93 / 10 · ranked #625,139 of all domains
108 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Spanish
- Weight: 2.2 MB · 89 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Grupo SIFU
- Founded: 1993
- Sector: cleaning, tertiary sector of the economy
- Country: Spain
- Profiles: LinkedIn, X, Facebook, YouTube, Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Microsoft (51.144.139.13)
- DNS: nominalia.com
- Email: Cisco Secure Email
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,932,751, 4 hosts
- Verified with: Amazon SES, Atlassian, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gruposifu.com | 15 |
| www.gruposifu.com | 14 |
Full technology history →
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Recent changes
- detected Priority Hints May 2026